Process for preparing poly(arylene sulfide sulfone) with in-situ

Details Process for preparing poly(arylene sulfide sulfone) with in-situ Process for preparing poly(arylene sulfide sulfone) with in-situ

1989-12-07

1991-05-07

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

528387, 528391, C08G 7516

Patent

active

050138227

ABSTRACT:
A process for preparing poly(arylene sulfide sulfone) by contacting a dihaloaromatic sulfone, an organic amide, a sulfur-containing compound, water, and an alkali metal carboxylate, wherein the alkali metal carboxylate is prepared in-situ by contacting at least one carboxylic acid with at least one alkali metal hydroxide.

REFERENCES:
patent: 4016145 (1977-04-01), Campbell
patent: 4127713 (1978-11-01), Campbell
patent: 4373090 (1983-02-01), Edmonds
patent: 4415729 (1983-11-01), Scoggins et al.
Organic Chemistry, Third Edition, 1973, pp. 583, 590, R. T. Morrison and Robert N. Boyd.

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